2 Step Equations
2x + 6 = 24
x=9
10x > 110
x > 11
Eva and Dulcina have 82 pins together. Dulcina has 34 more pins than Eva. How many pins are in Dulcina’s collection? How many pins are in Eva’s collection?
2p + 34 = 82
Ms. Moderelli charges her piano students $40 per lesson plus a semester recital fee of $55. How many lessons did Jerry take if he paid a total of $695 for lessons this semester?
40p + 55 = 695
p=16
What is the name of the diagram we make to help us solve two step equations?
do/undo chart
2x + 8 = 20
x=6
5x -20 ≥ 65
x ≥ 17
Put together, Albert and Jason have 110 total action figures. Jason’s collection has 42more action figures in it than Albert’s collection. How many action figures does Jason have? How many action figures are in Albert’s collection?
2f + 42 = 110
Craig and four of his friends had a car wash to earn some extra money. They split the profits, and Craig got an extra $18 to repay his parents for the car wash supplies. If Craig got $32, how much total money did they split among themselves?
32 = x/5 + 18
70=x
When does the inequalitiy flip the other way?
When you multiply or divide by a negative number.
23 = 4d + 5
d=4.5
3x + 38 < 41
x < 1
Tripp and Rico are two dogs. Tripp weighs exactly 35 pounds more than Rico. Together, they weigh exactly 49 pounds. How much does each dog weigh?
2w + 35 = 49
Javier has a collection of 125 comic books. He gives each of his 3 friends the same number of comic books and keeps his favorite 38 comic books for himself. How many comic books did he give to each of his friends?
125 = 3c + 38
c=29
87 x 50
4350
2y − 4.25 = − 1.39
y=1.43
21 − 9x ≥ − 6
x ≤ 3
Anna buys bananas, grapes, and apples. She buys twice the amount of bananas as grapes. She buys 2 more pounds of apples than grapes. Altogether, Anna bought 14 pounds of fruit. How many pounds of each fruit did she buy?
4g + 2 =14
Tyler is planning a party at a restaurant. There is a flat fee of $250to reserve the restaurant for the evening and a charge of $20 per person for food and drink. If Tyler has $500 to spend, what is the maximum number of people that can attend the party?
250 + 20p = 500
p=12.5
When is the last day of school?
May 25th
3n - 3 1/4 =-7
n= -1 1/4
−x + 38 < 59
x > − 21
Enrique’s collection has 64 fewer refrigerator magnets in it than Peter’s collection. They have 112 refrigerator magnets together. How many refrigerator magnets does Enrique have? How many refrigerator magnets does Peter have?
2m - 64=112
The student council ordered 1000 pencils embossed with the school name to give to honor roll students. If they give each honor roll student two pencils and they have 840 pencils left after the first quarter, how many students are on the honor roll in the first quarter?
1000 − 2s = 840
s=80
How many workspaces do you need for the year?
88